lovecoding
/
web0715


			
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							<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .happy {
        width: 300px;
        height: 200px;
        background-color: red;
        margin: 100px auto;
      }
      .word {
        color: #ff0;
        font-size: 36px;
        font-weight: 600;
      }
    </style>
  </head>
  <body>
    <!-- 
        样式绑定内置指令:
            class 和 style

        1.v-bind:class="样式"
        2.:class="样式"
    -->
    <div id="app">
      <!-- 对象 -->
      <!-- <div :class="{happy:isShow,word:isShow}">你好</div> -->
      <!-- <div v-bind:class="{happy:isShow}"></div> -->
      <!-- <div v-bind:class="{happy:true}"></div> -->


      <!-- 数组 -->
      <!-- <div :class="['happy','word']">你好</div> -->
      <!-- <div v-bind:class="['happy','word']">你好</div> -->

      <!-- 数组 + 对象 -->

      <div :class="['happy',{word:true}]">哈哈哈哈</div>

    </div>
    <script src="./vue.js"></script>
    <script>
      var app = new Vue({
        el: "#app",
        data: {
          isShow: true,
        },
      });
    </script>
  </body>
</html>